/*
 * Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 *
 */

package com.sun.java.swing.plaf.windows;

import sun.awt.AppContext;

import javax.swing.plaf.basic.*;
import javax.swing.*;
import javax.swing.plaf.*;

import java.awt.*;

/**
 * Windows check box.
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases.  The current serialization support is appropriate
 * for short term storage or RMI between applications running the same
 * version of Swing.  A future release of Swing will provide support for
 * long term persistence.
 *
 * @author Jeff Dinkins
 */
public class WindowsCheckBoxUI extends WindowsRadioButtonUI {
  // NOTE: MetalCheckBoxUI inherts from MetalRadioButtonUI instead
  // of BasicCheckBoxUI because we want to pick up all the
  // painting changes made in MetalRadioButtonUI.

  private static final Object WINDOWS_CHECK_BOX_UI_KEY = new Object();

  private final static String propertyPrefix = "CheckBox" + ".";

  private boolean defaults_initialized = false;

  // ********************************
  //          Create PLAF
  // ********************************
  public static ComponentUI createUI(JComponent c) {
    AppContext appContext = AppContext.getAppContext();
    WindowsCheckBoxUI windowsCheckBoxUI =
        (WindowsCheckBoxUI) appContext.get(WINDOWS_CHECK_BOX_UI_KEY);
    if (windowsCheckBoxUI == null) {
      windowsCheckBoxUI = new WindowsCheckBoxUI();
      appContext.put(WINDOWS_CHECK_BOX_UI_KEY, windowsCheckBoxUI);
    }
    return windowsCheckBoxUI;
  }


  public String getPropertyPrefix() {
    return propertyPrefix;
  }

  // ********************************
  //          Defaults
  // ********************************
  public void installDefaults(AbstractButton b) {
    super.installDefaults(b);
    if (!defaults_initialized) {
      icon = UIManager.getIcon(getPropertyPrefix() + "icon");
      defaults_initialized = true;
    }
  }

  public void uninstallDefaults(AbstractButton b) {
    super.uninstallDefaults(b);
    defaults_initialized = false;
  }

}
